package com.itheima.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;

import java.io.File;
import java.io.InputStream;

public class AliOssUtil {

	// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
	private static final String ENDPOINT = "https://oss-cn-wuhan-lr.aliyuncs.com";
	// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
	//EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
	private static final String ACCESS_KEY_ID="LTAI5t6xWDUdYNFzLJiwau8F";
	private static final String ACCESS_KEY_SECRET="MvU9ezJHAF2BJYhYXqMX21LYI7QPxA";
	// 填写Bucket名称，例如examplebucket。
	private static final String BUCKET_NAME = "big-event-0924";

	public static String uploadFile(String objectName, InputStream in) throws Exception {
		/*// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
		String endpoint = "https://oss-cn-wuhan-lr.aliyuncs.com";
		// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
		//EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
		String ACCESS_KEY_ID="LTAI5t6xWDUdYNFzLJiwau8F";
		String ACCESS_KEY_SECRET="MvU9ezJHAF2BJYhYXqMX21LYI7QPxA";
		// 填写Bucket名称，例如examplebucket。
		String bucketName = "big-event-0924";
		// 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。*/
		//String objectName = "001.jpg";
		// 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
		// 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
		//String filePath= "C:\\Users\\28156\\Pictures\\Saved Pictures\\1.jpg";

		// 创建OSSClient实例。
		OSS ossClient = new OSSClientBuilder().build(ENDPOINT, ACCESS_KEY_ID,ACCESS_KEY_SECRET);

		String url="";
		try {
			// 创建PutObjectRequest对象。
			PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKET_NAME, objectName, in);
			// 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
			// ObjectMetadata metadata = new ObjectMetadata();
			// metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
			// metadata.setObjectAcl(CannedAccessControlList.Private);
			// putObjectRequest.setMetadata(metadata);

			// 上传文件。
			PutObjectResult result = ossClient.putObject(putObjectRequest);

			//url组成:http://bucket名称,区域节点/objectName
			url="http://"+BUCKET_NAME+"."+ENDPOINT.substring(ENDPOINT.lastIndexOf("/")+1)+"/"+objectName;
		} catch (OSSException oe) {
			System.out.println("Caught an OSSException, which means your request made it to OSS, "
					+ "but was rejected with an error response for some reason.");
			System.out.println("Error Message:" + oe.getErrorMessage());
			System.out.println("Error Code:" + oe.getErrorCode());
			System.out.println("Request ID:" + oe.getRequestId());
			System.out.println("Host ID:" + oe.getHostId());
		} catch (ClientException ce) {
			System.out.println("Caught an ClientException, which means the client encountered "
					+ "a serious internal problem while trying to communicate with OSS, "
					+ "such as not being able to access the network.");
			System.out.println("Error Message:" + ce.getMessage());
		} finally {
			if (ossClient != null) {
				ossClient.shutdown();
			}
		}
		return url;
	}
}
